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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11715) Ozone: SCM : Add priority for datanode commands
Date Wed, 06 Sep 2017 22:58:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16156163#comment-16156163

Anu Engineer commented on HDFS-11715:

@weiwei yang, Let us chat about this some time. Should we get this done before ozone trunk
merge ? 

> Ozone: SCM : Add priority for datanode commands
> -----------------------------------------------
>                 Key: HDFS-11715
>                 URL: https://issues.apache.org/jira/browse/HDFS-11715
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Anu Engineer
>            Assignee: Anu Engineer
>              Labels: OzonePostMerge, tocheck
> While reviewing HDFS-11493, [~cheersyang] commented that it would be a good idea to support
priority for datanode commands send from SCM.
> bq. The queue seems to be time ordered, I think it will be better to support priority
as well. Commands may have different priority, for example, replicate a container priority
is usually higher than delete a container replica; replicate a container also may have different
priorities according to the number of replicas 
> This jira tracks that work item.

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